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Understanding Light: Luminous and Non-Luminous Objects

Understanding Light: Luminous and Non-Luminous Objects

Assessment

Interactive Video

•

Science

•

3rd - 5th Grade

•

Practice Problem

•

Medium

Created by

Mia Campbell

Used 1+ times

FREE Resource

The video tutorial introduces the concept of light, explaining its importance for visibility. It distinguishes between natural sources like the sun and stars, and artificial sources like electric lamps and candles. The tutorial further explains luminous objects, which emit their own light, and non-luminous objects, which do not. Examples include the sun and electric bulbs as luminous, and humans and tables as non-luminous. The moon, despite appearing bright, is non-luminous as it reflects sunlight. The tutorial concludes by summarizing these concepts.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary source of natural light during the day?

Candle flames

The moon

Electric lamps

The sun

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we need additional sources of light besides the sun and stars?

Because natural light is not always available

To save energy

To make the night longer

To reduce pollution

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a controllable source of light?

Glow worm

The sun

Stars

Electric bulb

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a luminous object?

An object that reflects light

An object that emits its own light

An object that blocks light

An object that absorbs light

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is an example of a natural luminous object?

Candle

Table

Electric bulb

Sun

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are non-luminous objects?

Objects that do not emit their own light

Objects that reflect light

Objects that absorb light

Objects that emit light

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the moon considered a non-luminous object?

It emits its own light

It is a source of artificial light

It reflects sunlight

It absorbs light

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